Compare revisions

a5647fea · a6041ae0 · 13f5859b · bf922c91 · 56586f45 · 1203b30c
--- a/.gitattributes
+++ b/.gitattributes
 *,ogg filter=lfs diff=lfs merge=lfs -text
+*.mtl filter=lfs diff=lfs merge=lfs -text
+*.jpg filter=lfs diff=lfs merge=lfs -text
+*.obj filter=lfs diff=lfs merge=lfs -text
+*.png filter=lfs diff=lfs merge=lfs -text
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,9 @@ imgui.ini
 .flatpak-builder/
 compile_commands.json

+# Engine data
+demo/data/*.bin
+
 # dotfiles (IDE)
 .idea/
 .cache/
@@ -12,5 +15,6 @@ compile_commands.json

 # windows visual studio
 .vs/
+out/
 CMakePresets.json
 CMakeSettings.json
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -15,22 +15,28 @@

 image: ${CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX}/alpine:latest

-stages:          # List of stages for jobs, and their order of execution
+stages:
  - build
  - test
  - deploy

+variables:
+  GIT_SUBMODULE_STRATEGY: recursive
+
 .f34-ogl:
-  image: git.fossgalaxy.com:8042/gamedev/containers/fedora:34-opengl
+  image: git.fossgalaxy.com:8042/gamedev/containers/fedora:36-opengl
  before_script:
-    - dnf install -y pkgconfig\(dri\) pkgconfig\(glu\) pkgconfig\(x11\) pkgconfig\(xcursor\) pkgconfig\(xi\) pkgconfig\(xinerama\) pkgconfig\(xrandr\) doxygen
-    - dnf install -y glm-devel glfw-devel openal-soft-devel spdlog-devel freetype-devel yaml-cpp-devel assimp-devel bullet-devel
+    - dnf install -y pkgconfig\(dri\) pkgconfig\(glu\) pkgconfig\(x11\) pkgconfig\(xcursor\) pkgconfig\(xi\) pkgconfig\(xinerama\) pkgconfig\(xrandr\) pkgconfig\(lua\) doxygen
+    - dnf install -y glm-devel glfw-devel openal-soft-devel spdlog-devel freetype-devel yaml-cpp-devel assimp-devel gtest-devel gmock-devel

+##
+# Build Targets check it builds on popular Linux Distributions
+##
 build:fedora:
  extends: .f34-ogl
  stage: build
  script:
-    - cmake -S . -B build -DCMAKE_BUILD_TYPE=Debug
+    - cmake -S . -B build -DCMAKE_BUILD_TYPE=Debug -DFGGL_EXT_BULLET=OFF
    - cmake --build build
  artifacts:
    paths:
@@ -41,11 +47,41 @@ build:ubuntu:
  stage: build
  before_script:
    - apt update && apt install -y build-essential cmake
-    - apt install -y libglm-dev libglfw3-dev libopenal-dev libspdlog-dev libfreetype-dev libyaml-cpp-dev libassimp-dev libbullet-dev
+    - apt install -y libglm-dev libglfw3-dev libopenal-dev libspdlog-dev libfreetype-dev libyaml-cpp-dev libassimp-dev libbullet-extras-dev libgtest-dev libgmock-dev liblua5.2-dev
  script:
-    - cmake -S . -B build -DCMAKE_BUILD_TYPE=Debug
+    - cmake -S . -B build -DCMAKE_BUILD_TYPE=Debug -DFGGL_EXT_BULLET=OFF -DFGGL_EXT_LUA=OFF
    - cmake --build build

+
+# Based on Bruce Cowan's wordsearch package:
+flatpak:
+  image: alpine:latest
+  stage: deploy
+  when: manual
+  only:
+    - develop
+  variables:
+    MANIFEST_PATH: "build-aux/com.fossgalaxy.fggl.demo.yml"
+    RUNTIME_REPO: "https://flathub.org/repo/flathub.flatpakrepo"
+    FLATPAK_MODULE: "fggl"
+    BUNDLE: "fggl-demo.flatpak"
+    APP_ID: "com.fossgalaxy.fggl.demo"
+  script:
+    - apk update && apk add flatpak-builder
+    - flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
+    - flatpak install -y flathub org.freedesktop.Platform 21.08
+    - flatpak install -y flathub org.freedesktop.Sdk 21.08
+    - flatpak-builder _repo ${MANIFEST_PATH}
+    - flatpak build-bundle _repo ${BUNDLE} --runtime-repo=${RUNTIME_REPO} ${APP_ID}
+  artifacts:
+    paths:
+      - ${BUNDLE}
+      - _build/meson-logs/meson-log.txt
+  cache:
+    paths:
+      - .flatpak-builder/cache
+      - .flatpak-builder/downloads
+
 # Deploy doxygen pages
 pages:
  extends: .f34-ogl

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,84 +4,92 @@ set(namespace "fggl")
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED YES)

-include(GNUInstallDirs)
-
-option(FGGL_CONAN "Should we use conan to find missing dependencies?" OFF)
 option(FGGL_EXAMPLES "Should we build examples or just the library" ON)
+option(FGGL_TESTS "Should we enable the testing suite?" ON)
 option(FGGL_DOCS "Should we build documentation?" ON)

-set(CONAN_BUILD_TYPE "Debug")
+option(FGGL_EXT_BULLET "Should we build the bullet module?" OFF)
+option(FGGL_EXT_LUA "Should we build the lua module?" ON)
+
+##
+# Windows
+# When on windows, integrate vcpkg
+##
+if(DEFINED ENV{VCPKG_ROOT} AND NOT DEFINED CMAKE_TOOLCHAIN_FILE)
+  set(CMAKE_TOOLCHAIN_FILE "$ENV{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake"
+      CACHE STRING "")
+endif()
+##
+# /windows
+##

 # Define the project
 project(fggl
 	VERSION 0.1
-	DESCRIPTION ""
-	HOMEPAGE_URL ""
+	DESCRIPTION "FOSS Galaxy Game Library, for use in Education, and Games"
+	HOMEPAGE_URL "https://git.fossgalaxy.com/gamedev/fggl"
 	LANGUAGES C CXX)

-if (CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
+# export compile commands for vim/neovim users
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

-	# slightly cleaner conan support
-    include(cmake/conan-wrangler.cmake)
+# vendor dependencies
+add_subdirectory( vendor/entt )
+add_subdirectory( vendor/imgui )
+add_subdirectory( vendor/glad )

-	# testing support
-	include(CTest)
+# engine headers
+file(GLOB_RECURSE public_headers
+	${PROJECT_SOURCE_DIR}/include/fggl/*.hpp
+)

-	# Documentation support
-	if (FGGL_DOCS)
-		find_package(Doxygen)
-		if (Doxygen_FOUND)
-			add_subdirectory( docs )
-		else()
-			message(STATUS "Doxygen not found, not building docs")
-		endif()
-	endif()
+# engine sources, enable strict compiler warnings
+add_subdirectory( fggl )
+target_compile_options( fggl PRIVATE -Wall -Wpedantic -Wextra -Wodr -fno-strict-aliasing -fno-strict-overflow )
+set_property(TARGET fggl PROPERTY INTERPROCEDURAL_OPTIMIZATION True)

+# Unit Tests
+if (FGGL_TESTS)
+	include(CTest)
+	add_subdirectory(tests)
 endif()

-
-set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
-
-
-##
-# begin windows support
-##
-if(MSVC)
-  target_compile_options(${PROJECT_NAME} PUBLIC "/ZI")
-  target_link_options(${PROJECT_NAME} PUBLIC "/INCREMENTAL")
+# Documentation support
+if (FGGL_DOCS)
+	find_package(Doxygen)
+	if (Doxygen_FOUND)
+		add_subdirectory( docs )
+	else()
+		message(STATUS "Doxygen not found, not building docs")
+	endif()
 endif()
+
 ##
-# end windows support
+# Optional/Extra modules
 ##

-# vendor dependencies
-add_subdirectory( vendor/imgui )
-
-# engine
-add_subdirectory( fggl )
-add_subdirectory( vendor/header_only )
+# 3rd party integrations
+if ( FGGL_EXT_BULLET )
+	add_subdirectory( integrations/bullet )
+endif()

+if ( FGGL_EXT_LUA )
+	add_subdirectory( integrations/lua )
+endif()

-## G++ enable insane checks
-target_compile_options( ${PROJECT_NAME} PRIVATE -Wall -fno-strict-aliasing -fno-strict-overflow )
+# Tools
+# add_subdirectory( tools/pack )

-# extras
-#add_subdirectory(tests)
+# Demo project
 if (FGGL_EXAMPLES)
-  add_subdirectory(demo)
+	add_subdirectory(demo EXCLUDE_FROM_ALL)
 endif()

 ##
 # INSTALL PHASE
 # see https://decovar.dev/blog/2021/03/08/cmake-cpp-library/
 ##
-
-file(GLOB_RECURSE public_headers
-	${PROJECT_SOURCE_DIR}/include/${PROJECT_NAME}/*.hpp
-	${PROJECT_SOURCE_DIR}/include/${PROJECT_NAME}/*.h
-)
-
-#include(CMakePrintHelpers)
+include(GNUInstallDirs)

 # Structure preserving header macro
 foreach(header ${public_headers})
@@ -95,15 +103,16 @@ endforeach()

 set_target_properties(${PROJECT_NAME} PROPERTIES DEBUG_POSTFIX "d")

+include(CMakePackageConfigHelpers)
+set(FGGL_CONFIG_PATH "${CMAKE_INSTALL_LIBDIR}/cmake/fggl")
+
 # generate and install export file
 install(EXPORT "${PROJECT_NAME}Targets"
 	    FILE "${PROJECT_NAME}Targets.cmake"
 	    NAMESPACE ${namespace}::
-	    DESTINATION cmake
+	    DESTINATION "${FGGL_CONFIG_PATH}"
 )

-include(CMakePackageConfigHelpers)
-
 # generate the version file for the config file
 write_basic_package_version_file(
    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
@@ -112,22 +121,24 @@ write_basic_package_version_file(
 )
 configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/Config.cmake.in
    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
-    INSTALL_DESTINATION cmake
+    INSTALL_DESTINATION "${FGGL_CONFIG_PATH}"
 )
 # install config files
 install(FILES
    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
-    DESTINATION cmake
+    DESTINATION "${FGGL_CONFIG_PATH}"
 )
 # generate the export targets for the build tree
+install(TARGETS ${PROJECT_NAME}
+		EXPORT fgglTargets
+			DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+		PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
+		INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+)
+
 export(EXPORT "${PROJECT_NAME}Targets"
    FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Targets.cmake"
    NAMESPACE ${namespace}::
 )

-install(TARGETS ${PROJECT_NAME}
-  EXPORT ${PROJECT_NAME}Targets
-  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
-  INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
-)
--- a/Config.cmake.in
+++ b/Config.cmake.in
@@ -3,8 +3,11 @@
 include(CMakeFindDependencyMacro)
 find_dependency(glm)
 find_dependency(fmt)
+find_dependency(Lua)
 find_dependency(spdlog)
 find_dependency(Freetype)
+find_dependency(OpenAL CONFIG)
+find_dependency(OpenGL)

 include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
 check_required_components(@PROJECT_NAME@)
\ No newline at end of file
--- a/README.md
+++ b/README.md
@@ -12,6 +12,10 @@ On Ubuntu:
 sudo apt install build-essential cmake
 sudo apt install -y libglm-dev libglfw3-dev libopenal-dev libspdlog-dev libfreetype-dev libyaml-cpp-dev libassimp-dev libbullet-dev
 ```
+On Fedora:
+```bash
+sudo dnf install -y glm-devel glfw-devel openal-soft-devel spdlog-devel freetype-devel yaml-cpp-devel assimp-devel bullet-devel gcc gcc-c++ cmake gtest-devel doxygen lua lua-devel gmock gmock-devel
+```

 ### Building
 It's designed to be a fairly standard cmake project, so the standard cmake steps should work:
@@ -46,6 +50,14 @@ find_package( fggl REQUIRED PATHS /tmp/fggl-lib )
 target_link_libraries(game fggl::fggl)
 ```

+### Flatpak Demo
+
+This is still experimental, but the command used to test flatpak compatablity with the demo application is:
+
+```
+flatpak-builder builds/flatpak build-aux/com.fossgalaxy.fggl.demo.yml --force-clean --install --user
+```
+
 ## Useful Tools
 The following tools are helpful for development:


--- a/build-aux/com.fossgalaxy.fggl.demo.yml
+++ b/build-aux/com.fossgalaxy.fggl.demo.yml
-app-id: com.fossgalaxy.fggl.demo
-runtime: org.freedesktop.Platform.GL.default
+app-id: com.fossgalaxy.fggl.Demo
+runtime: org.freedesktop.Platform
 runtime-version: '21.08'
 sdk: org.freedesktop.Sdk
-command: fggl-demo
+command: /app/bin/demo
+finish-args:
+  - "--device=dri"
+  - "--share=ipc"
+  - "--socket=fallback-x11"
+  - "--socket=wayland"
 modules:
-  - name: glfw
-    buildsystem: cmake-ninja
-    builddir: true
-    sources:
-      - type: archive
-        url: https://github.com/glfw/glfw/releases/download/3.3.4/glfw-3.3.4.zip
-        sha256: bbd2c42c660b725e9755eb417e40b373f0d4c03138c9b2e210d02cd308bd99cd
-    cleanup:
-      - /include
-      - /lib/pkgconfig
+  - modules/glfw.yml
  - modules/glm-0.9.9.8.json
-  - shared-modules/glew/glew.json
-  - shared-modules/glu/glu-9.json
+  - modules/fmt.yml
+  - modules/spdlog.json
  - modules/googletest.yml
+  - shared-modules/glu/glu-9.json
+  - modules/yaml-cpp.yml
+  - modules/assimp.yml
  - name: fggl
    buildsystem: cmake
+    builddir: true
    sources:
      - type: dir
        path: ../
+    cleanup:
+      - '/include'
+      - '/cmake'
+      - '*.a'
--- a/build-aux/fggl.spec
+++ b/build-aux/fggl.spec
+Name: fggl
+Version: 0.1.0
+Release: 1%{?dist}
+Summary: FOSS Galaxy game library
+
+License: LGPLv3
+
+# The source was pulled from github
+source0: https://git.fossgalaxy.com/gamedev/fggl/-/archive/develop/fggl-develop.zip
+
+BuildRequires: g++
+BuildRequires: cmake
+BuildRequires: glfw-devel
+BuildRequires: openal-devel
+BuildRequires: glm-devel
+BuildRequires: glfw-devel
+BuildRequires: openal-soft-devel
+BuildRequires: spdlog-devel
+BuildRequires: freetype-devel
+BuildRequires: yaml-cpp-devel
+BuildRequires: assimp-devel
+BuildRequires: bullet-devel
+BuildRequires: gtest-devel
+BuildRequires: gmock-devel
+
+# demo desktop stuff
+BuildRequires: libappstream-glib
+BuildRequires: desktop-file-utils
+
+%description
+%{summary}.
+
+%prep
+%setup -q -n %{name}-develop
+
+%build
+%cmake
+%cmake_build
+
+%install
+%cmake_install
+
+%check
+%ctest
+appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/*.metainfo.xml
+desktop-file-validate %{buildroot}/%{_datadir}/applications/com.fossgalaxy.fggl.Demo.desktop
+
+%package demos
+Summary: Demos for fggl
+Group: System Environment/Libraries
+Requires: %{name} = %{version}-%{release}
+
+%description demos
+FGGL example binaries
+
+%package devel
+Summary: FGGL development libraries and header files
+Group: Development/Libraries
+Requires: %{name} = %{version}-%{release}
+
+%description devel
+fggl dynamic libraries and header files.
+
+%files
+%{_libdir}/libfggl.so
+
+%files devel
+%{_includedir}/fggl/*
+%{_libdir}/cmake/%{name}
+# this feels like a packaging bug...
+%{_libdir}/libimgui.a
+
+%files demos
+%{_bindir}/demo
+%{_datadir}/fggl-demo/*
+%{_datadir}/applications/com.fossgalaxy.fggl.Demo.desktop
+%{_metainfodir}/com.fossgalaxy.fggl.Demo.metainfo.xml
--- a/build-aux/modules/assimp.yml
+++ b/build-aux/modules/assimp.yml
+name: assimp
+buildsystem: cmake
+config-opts:
+  - -DASSIMP_BUILD_ASSIMP_TOOLS=OFF
+  - -DASSIMP_BUILD_TESTS=OFF
+sources:
+  - type: git
+    url: https://github.com/assimp/assimp.git
+    tag: v5.2.4
+cleanup:
+  - '/include'
+  - '/lib/cmake'
+  - '/lib/pkgconfig'
--- a/build-aux/modules/fmt.yml
+++ b/build-aux/modules/fmt.yml
+name: fmt
+buildsystem: cmake
+sources:
+  - type: git
+    url: https://github.com/fmtlib/fmt.git
+    tag: 8.1.1
+cleanup:
+  - '/include'
+  - '/lib/cmake'
+  - '/lib/pkgconfig'
+  - '*.a'
--- a/build-aux/modules/glfw.yml
+++ b/build-aux/modules/glfw.yml
+name: glfw
+buildsystem: cmake-ninja
+builddir: true
+sources:
+  - type: archive
+    url: https://github.com/glfw/glfw/releases/download/3.3.4/glfw-3.3.4.zip
+    sha256: bbd2c42c660b725e9755eb417e40b373f0d4c03138c9b2e210d02cd308bd99cd
+cleanup:
+  - /include
+  - /lib/cmake
+  - /lib/pkgconfig
+  - '*.a'
--- a/build-aux/modules/googletest.yml
+++ b/build-aux/modules/googletest.yml
@@ -4,3 +4,8 @@ sources:
  - type: archive
    url: https://github.com/google/googletest/archive/refs/tags/release-1.11.0.zip
    sha256: 353571c2440176ded91c2de6d6cd88ddd41401d14692ec1f99e35d013feda55a
+cleanup:
+  - '/include'
+  - '/lib/cmake'
+  - '/lib/pkgconfig'
+  - '*.a'
--- a/build-aux/modules/spdlog.json
+++ b/build-aux/modules/spdlog.json
+{
+    "name": "spdlog",
+    "buildsystem": "cmake",
+    "sources": [
+        {
+            "type": "git",
+            "url": "https://github.com/gabime/spdlog.git",
+            "tag": "v1.10.0"
+        }
+    ],
+    "cleanup": [
+        "/include",
+        "/lib/cmake",
+        "/lib/pkgconfig",
+        "*.a"
+    ]
+}
--- a/build-aux/modules/yaml-cpp.yml
+++ b/build-aux/modules/yaml-cpp.yml
+name: yaml-cpp
+buildsystem: cmake
+config-opts:
+  - -DYAML_CPP_BUILD_TESTS=off
+sources:
+  - type: git
+    url: https://github.com/jbeder/yaml-cpp.git
+    tag: yaml-cpp-0.7.0
+cleanup:
+  - '/include'
+  - '/share/cmake'
+  - '/share/pkgconfig'
+  - '*.a'
--- a/shared-modules @ 1bb53934
+++ b/shared-modules @ 1bb53934
-Subproject commit 0534d3276b3966e87abacd163f757454b6fcf724
+Subproject commit 1bb53934f105743f84f923693847185dce613cef
--- a/build.sh
+++ b/build.sh
@@ -20,7 +20,7 @@ rm -rf $CACHE
 #
 # build step
 #
-cmake -S . -B $BUILD_PATH -DCMAKE_BUILD_TYPE=debug
+cmake -S . -B $BUILD_PATH -DCMAKE_BUILD_TYPE=RelWithDebInfo
 cmake --build $BUILD_PATH
 cmake --install $BUILD_PATH --prefix /tmp/fggl-lib


--- a/cmake/conan-wrangler.cmake
+++ b/cmake/conan-wrangler.cmake
-##
-# Conan Wranger
-# Integrate Conan when needed, don't bother when it's not
-##
-
-if ( FGGL_CONAN )
-    if ( CONAN_EXPORTED )
-        include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
-        conan_basic_setup()
-    else()
-        list(APPEND CMAKE_MODULE_PATH ${CMAKE_BINARY_DIR})
-        list(APPEND CMAKE_PREFIX_PATH ${CMAKE_BINARY_DIR})
-
-        # download conan if not available
-        if(NOT EXISTS "${CMAKE_BINARY_DIR}/conan.cmake")
-            message(STATUS "Downloading conan.cmake from https://github.com/conan-io/cmake-conan")
-            file(DOWNLOAD "https://raw.githubusercontent.com/conan-io/cmake-conan/master/conan.cmake"
-                    "${CMAKE_BINARY_DIR}/conan.cmake")
-        endif()
-
-        # download and enable dependencies
-        include(${CMAKE_BINARY_DIR}/conan.cmake)
-        conan_cmake_configure(
-                REQUIRES
-                    opengl/system
-                    openal/1.21.1
-                    assimp/5.2.2
-                    glfw/3.3.7
-                    glad/0.1.35
-                    glm/0.9.9.8
-                    spdlog/1.10.0
-                    freetype/2.11.1
-                    bullet3/3.22a
-                    yaml-cpp/0.7.0
-                    GENERATORS
-                    cmake_find_package
-                    cmake_find_package_multi
-                OPTIONS
-                    glfw:shared=True
-                    glad:gl_profile=core
-                    glad:gl_version=4.5
-                    glad:extensions="GL_ARB_get_program_binary,GL_ARB_shading_language_include"
-                BASIC_SETUP
-        )
-
-        if ( CMAKE_CONFIGURATION_TYPES )
-            foreach(TYPE ${CMAKE_CONFIGURATION_TYPES})
-                conan_cmake_autodetect( settings BUILD_TYPE ${TYPE} )
-                conan_cmake_install(
-                        PATH_OR_REFERENCE .
-                        BUILD missing
-                        SETTINGS ${settings}
-                )
-            endforeach()
-        else()
-            conan_cmake_autodetect( settings BUILD_TYPE ${TYPE} )
-            conan_cmake_install(
-                    PATH_OR_REFERENCE .
-                    BUILD missing
-                    SETTINGS ${settings}
-            )
-        endif()
-    endif()
-
-endif()
\ No newline at end of file
--- a/demo/CMakeLists.txt
+++ b/demo/CMakeLists.txt
@@ -6,30 +6,53 @@ add_executable(demo
        demo/main.cpp
        demo/GameScene.cpp
        demo/rollball.cpp
-        )
+        demo/topdown.cpp
+        demo/grid.cpp
+        demo/robot/programmer.cpp
+        demo/models/viewer.cpp
+        demo/hexboard/board.cpp
+        demo/hexboard/camera.cpp
+)

+# set build flags
+target_compile_options( demo PRIVATE -Wall -Wextra -Wodr -Wdouble-promotion -fno-strict-aliasing -fno-strict-overflow )
+set_property(TARGET demo PROPERTY INTERPROCEDURAL_OPTIMIZATION True)

 target_include_directories(demo
        PRIVATE
            ${CMAKE_CURRENT_SOURCE_DIR}/include
 )

-target_link_libraries(demo fggl)
+target_link_libraries( demo fggl )
+#target_link_libraries(demo fggl fgglbt)
+if ( FGGL_EXT_LUA )
+    target_link_libraries( demo fggl-lua )
+endif()

 find_package(spdlog)
 target_link_libraries(demo spdlog::spdlog)
 #target_include_directories(FgglDemo PUBLIC ${PROJECT_BINARY_DIR})

-# rssources
+#find_package(Lua)
+#target_link_libraries(demo ${LUA_LIBRARIES})
+
+# resources
 file(GLOB_RECURSE data data/*)
 file(COPY ${data} DESTINATION data )

+include(GNUInstallDirs)
 install(
        TARGETS demo
        RUNTIME
        DESTINATION ${CMAKE_INSTALL_BINDIR}
 )
 install(
-        DIRECTORY data
-        DESTINATION ${CMAKE_INSTALL_DATADIR}
-)
\ No newline at end of file
+        DIRECTORY data/
+        DESTINATION ${CMAKE_INSTALL_DATADIR}/fggl-demo
+)
+
+# Linux Desktop Entries
+if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+    install(FILES aux/com.fossgalaxy.fggl.Demo.desktop DESTINATION ${CMAKE_INSTALL_DATADIR}/applications )
+    install(FILES aux/com.fossgalaxy.fggl.Demo.metainfo.xml DESTINATION ${CMAKE_INSTALL_DATADIR}/metainfo )
+endif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
--- a/demo/aux/com.fossgalaxy.fggl.Demo.desktop
+++ b/demo/aux/com.fossgalaxy.fggl.Demo.desktop
+[Desktop Entry]
+Name=FGGL Demo
+Exec=demo
+Type=Application
+Categories=Game
--- a/demo/aux/com.fossgalaxy.fggl.Demo.metainfo.xml
+++ b/demo/aux/com.fossgalaxy.fggl.Demo.metainfo.xml
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop-application">
+  <id>com.fossgalaxy.fggl.Demo</id>
+
+  <name>FGGL Demo</name>
+  <summary>An application for testing FGGL features</summary>
+  
+  <metadata_license>CC-BY-4.0</metadata_license>
+  <project_license>GPL-3.0-or-later</project_license>
+  
+  <description>
+    <p>
+      Test application for the FOSS Galaxy Game Library (FGGL)
+    </p>
+  </description>
+  
+  <launchable type="desktop-id">com.fossgalaxy.fggl.Demo.desktop</launchable>
+</component>
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